How do I make the texture for an item change depending on custom model data?

[pliant basin]

ideally without optifine if possible

[jaunty delta]

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Requested by suspiciousgumnut

[hardy zinc]

You can make your item model something like

{
"parent": "item/handheld_rod",
"textures": {
"layer0": "item/fishing_rod_uncast"
},
"overrides": [
{
"predicate": {
"custom_model_data": 1
},
"model": "item/fishing_rod_cast"
}
]
}

And then after “model” put the path to your custom model file

[pliant basin]

I haven't actually made resource packs before, where does this go?

[timber sorrel]

I suggest watching a short youtube video on the topic to get the idea and where everything goes

There are many out there and the tech hasn’t changed in years

[pliant basin]

copy

[pliant basin]

so where is this going?

[hardy zinc]

Copy the vanilla item model for the item you want to add CMD to, and add the overrides to it

[pliant basin]

CMD?